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Finding the Fourth Proportional to 8,450.58, 12,656.98 and 5,977.85

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Solution

The fourth proportional to 8,450.58, 12,656.98 and 5,977.85 is: 8,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.58 : 12,656.98 = 5,977.85 : x
  2. Step 2: Convert to fraction form
    8,450.58/12,656.98 = 5,977.85/x
  3. Step 3: Cross multiply
    8,450.58x = 12,656.98 × 5,977.85
  4. Step 4: Simplify right side
    8,450.58x = 75,661,560.09
  5. Step 5: Solve for x
    x = 75,661,560.09/8,450.58
  6. Step 6: Final answer
    x = 8,953.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.